Title

High Birefringence And Large Negative Dielectric Anisotropy Phenyl-Tolane Liquid Crystals

Abstract

Two phenyl-tolane compounds with two pairs of (2,3) lateral difluoro substitutions were synthesized and their properties evaluated. These compounds exhibit a high birefringence (Δn∼ 0.35) and a large negative dielectric anisotropy (Δε∼ -8). These two important features make the phenyl-tolane compounds useful as a dopant in a negative Δε liquid-crystal mixture to enhance the performance of the host mixture, or as a negative component in a dual-frequency liquid-crystal mixture to improve the dielectric anisotropy and birefringence and lower the crossover frequency. © 2007 Taylor & Francis.

Publication Date

12-1-2007

Publication Title

Liquid Crystals

Volume

34

Issue

12

Number of Pages

1473-1478

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1080/02678290701730065

Socpus ID

37149011412 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/37149011412

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